About

Kron consists of a library crate (kron-lib) and a binary crate (kron) that each provide an interface to using dates and times.

Format syntax

Component	Description
[day {padding:{zero,space,none}}]	Day of month
[hour {padding:{zero,space,none},repr:{12,24}}]	Clock hour
[minute {padding:{zero,space,none}}]	Minute within the clock hour
[month {padding:{zero,space,none},repr:{numerical,long,short},case_sensitive:{true,false}}]	Month
[offset_hour {padding:{zero,space,none},sign:{automatic,mandatory}}]	Whole hours offset from UTC
[offset_minute {padding:{zero,space,none}]	Minutes within the hour offset from UTC
[offset_second {padding:{zero,space,none}]	Seconds within the minute offset from UTC
[ordinal {padding:{zero,space,none}}]	Day of year
[period {case:{lower,upper},case_sensitive:{true,false}}]	AM/PM
[second {padding:{zero,space,none}}]	Second within the clock minute
[subsecond {digits:1+,1,2,3,4,5,6,7,8,9}]	Subsecond within the clock second
[unix_timestamp {precision:{second,millisecond,microsecond,nanosecond},sign:{automatic,mandatory}}]	Unix timestamp
[week_number {padding:{zero,space,none},repr:{iso,sunday,monday}}]	Week of the year
[weekday {repr:{long,short,sunday,monday},one_indexed:{false,true},case_sensitive:{true,false}}]	Day of the week
[year {padding:{zero,space,none},repr:{full,last_two},base:{calendar,iso_week},sign:{automatic,mandatory}}]	Year

See https://time-rs.github.io/book/api/format-description.html for additional details.